Box support



FIG. 1 is a perspective view of a box support in accordance with the new design;

FIG. 2 is a left side elevational view of the box support of FIG. 1;

FIG. 3 is a right side elevational view of the box support of FIG. 1;

FIG. 4 is a top plan view of the box support of FIG. 1;

FIG. 5 is a bottom plan view of the box support of FIG. 1;

FIG. 6 is a rear elevational view of the box support of FIG. 1;

FIG. 7 is a front elevational view of the box support of FIG. 1; and,

FIG. 8 is an exploded perspective view of the box support of FIG. 1.

The broken lines in FIGS. 1-8 illustrate portions of the box support which form no part of the claimed design. 

CLAIM The ornamental design for a box support, as shown and described. 